1. Department of Hematology, Endocrinology and Metabolism Faculty of Medicine Graduate School of Medical and Dental Science Niigata University Niigata Japan
2. Department of Hematopoietic Cell Transplantation Niigata University Medical and Dental Hospital Niigata Japan
3. Department of Hematology Nagaoka Red Cross Hospital Nagaoka Japan
4. Laboratory of Hematology and Oncology Graduate School of Health Sciences Niigata University Niigata Japan